Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waxing Gibbous 85%

15:12

04:53

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK

Sun - Rise: 05:49, Set: 20:08, Transit: 12:59. Moon - Rise: 15:12, Set: 04:53. Civil Dark: 20:45 - 05:12. Nautical Dark: 21:33 - 04:24. Astro Dark: 22:30 - 03:27

Total Clouds (% Sky Obscured)

99
100
100
73
48
50
38
88
92
50
69
100
93
94
40
95
95
80
34
22
19
26
16
15

Low Clouds (% Sky Obscured)

100
92
90
66
36
41
26
81
71
47
51
85
72
80
54
85
88
61
34
28
25
28
24
24

Medium Clouds (% Sky Obscured)

84
50
40
20
9
13
9
15
24
35
50
50
31
23
29
20
26
16
8
0
0
23
3
0

High Clouds (% Sky Obscured)

66
71
10
9
14
13
7
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
8
5
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
2
0
16
3
3
3
9
4
26
39
57
64
35
28
8
7
1
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
15
15
15
15
15
15
15
15
17
18
17
18
15
18
16
18
18
18
15
13
11
10

Chance of Frost

Temperature (°C)

8
9
9
9
9
9
8
8
8
9
9
10
10
10
10
11
10
10
9
8
7
6
5
5

Feels Like (°C)

3
4
4
5
4
5
4
4
3
3
5
5
4
4
5
5
4
3
3
2
2
1
1
0

Dew Point (°C)

7
8
8
8
7
7
6
6
6
6
6
7
6
7
7
5
4
3
3
2
2
0
-1
-1

Relative Humidity (%)

90
91
93
93
87
88
87
88
88
84
80
80
77
84
81
68
66
62
63
63
66
65
64
66

Pressure (mb)

1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1017
1017
1018
1019
1020
1021
1021
1022
1023
1024

Ozone (du)

378
378
379
379
379
379
379
380
379
380
381
389
399
400
400
398
399
400
396
393
394
393
392
391

Friday 19

Waxing Gibbous 92%

16:24

05:02

23 Good
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 OK

Sun - Rise: 05:47, Set: 20:09, Transit: 12:58. Moon - Rise: 16:24, Set: 05:02. Civil Dark: 20:47 - 05:09. Nautical Dark: 21:36 - 04:21. Astro Dark: 22:33 - 03:24

Total Clouds (% Sky Obscured)

11
21
23
25
26
31
32
25
27
73
83
98
88
86
90
92
80
81
46
32
24
20
20
23

Low Clouds (% Sky Obscured)

17
36
33
41
34
42
41
24
26
65
80
96
83
82
85
82
74
70
37
31
17
3
3
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
8
4
7
6
2
2
4
4
5

High Clouds (% Sky Obscured)

0
0
4
4
4
4
3
6
6
4
14
11
27
7
7
4
4
4
7
4
7
7
4
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
1
1
0
2
1
1
1
11
2
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
8
9
10
11
11
11
12
13
14
14
13
13
14
15
15
15
15
14
12
10
7
6

Chance of Frost

Temperature (°C)

4
3
3
2
2
2
2
2
3
4
6
7
7
8
9
9
9
9
9
8
7
5
4
3

Feels Like (°C)

1
0
0
-1
-1
-2
-2
-2
-1
-0
0
2
2
2
3
3
3
3
3
3
3
2
1
0

Dew Point (°C)

-1
-1
-0
0
0
0
0
-0
-0
0
0
1
1
0
0
1
0
1
2
1
1
1
0
0

Relative Humidity (%)

71
76
82
86
86
86
86
85
80
75
67
65
64
57
56
55
54
55
61
64
69
71
77
82

Pressure (mb)

1024
1025
1025
1025
1026
1026
1027
1027
1028
1028
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031

Ozone (du)

389
388
386
383
381
378
379
377
376
377
377
378
380
380
378
379
380
380
379
380
380
382
384
386

Saturday 20

Waxing Gibbous 92%

17:35

05:10

23 OK
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:45, Set: 20:11, Transit: 12:58. Moon - Rise: 17:35, Set: 05:10. Civil Dark: 20:49 - 05:07. Nautical Dark: 21:38 - 04:18. Astro Dark: 22:36 - 03:20

Total Clouds (% Sky Obscured)

33
35
36
38
40
73
68
69
70
77
90
86
84
83
84
82
79
49
43
30
28
70
65
70

Low Clouds (% Sky Obscured)

3
18
29
36
37
37
46
64
68
70
88
83
83
81
83
83
81
36
43
37
35
57
47
50

Medium Clouds (% Sky Obscured)

20
17
2
2
2
2
5
38
20
28
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

11
11
11
4
8
80
57
75
49
7
4
0
0
0
0
0
1
10
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
1
0
1
1
4
3
3
0
0
0
1
0
1
3
2
1
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
6
6
6
6
7
8
11
11
11
11
11
11
11
12
11
11
9
9
8

Chance of Frost

Temperature (°C)

2
2
2
1
1
1
1
1
3
4
6
7
8
8
9
9
9
9
9
8
7
6
6
5

Feels Like (°C)

-0
-1
-2
-1
-1
-1
-3
-2
-2
0
2
3
3
3
3
4
4
4
5
4
4
4
2
1

Dew Point (°C)

0
-0
0
0
0
0
0
0
-0
1
1
1
2
2
2
2
2
1
2
2
3
2
1
-0

Relative Humidity (%)

85
86
89
91
91
93
93
93
82
79
70
65
66
63
63
61
61
57
60
67
73
74
68
68

Pressure (mb)

1031
1031
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034

Ozone (du)

388
389
389
383
383
385
386
388
389
390
391
394
395
395
400
405
407
411
416
420
420
420
421
422

Sunday 21

Waxing Gibbous 96%

18:47

05:18

23 Bad
00 Bad
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:43, Set: 20:13, Transit: 12:58. Moon - Rise: 18:47, Set: 05:18. Civil Dark: 20:51 - 05:05. Nautical Dark: 21:40 - 04:16. Astro Dark: 22:39 - 03:17

Total Clouds (% Sky Obscured)

75
72
29
26
32
40
78
98
98
99
100
100
100
100
97
94
91
74
55
41
60
78
98
85

Low Clouds (% Sky Obscured)

52
54
38
42
45
41
36
31
33
36
39
44
48
53
64
73
75
66
56
41
43
45
50
54

Medium Clouds (% Sky Obscured)

0
0
4
8
13
32
50
72
70
77
75
77
100
100
92
84
77
58
39
20
38
53
72
50

High Clouds (% Sky Obscured)

0
0
0
0
4
9
56
71
74
85
100
100
100
100
92
80
75
70
60
55
59
74
96
78

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
0
1
1
1
5
4
1
2
2
0
10
14
16
16
15
13
12
9
1
4
5
4
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
7
6
6
7
7
6
7
9
10
10
11
11
11
11
11
11
10
9
7
6
4

Chance of Frost

Temperature (°C)

5
5
4
3
3
3
3
3
4
5
6
7
8
8
8
8
8
8
8
8
7
6
5
5

Feels Like (°C)

0
1
0
1
1
1
1
-0
-0
1
1
3
3
4
4
4
4
4
4
4
5
4
3
2

Dew Point (°C)

-1
-2
0
2
2
2
2
2
2
1
-0
1
0
-0
0
0
0
0
0
2
2
1
0
-1

Relative Humidity (%)

67
63
77
89
91
91
93
93
88
75
63
62
58
56
58
58
58
58
59
65
69
71
70
69

Pressure (mb)

1034
1033
1033
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1031
1031
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

419
417
417
418
418
417
414
412
412
412
415
417
419
423
427
424
419
416
413
411
408
406
406
406

Monday 22

Waxing Gibbous 99%

20:02

05:26

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:41, Set: 20:15, Transit: 12:58. Moon - Rise: 20:02, Set: 05:26. Civil Dark: 20:53 - 05:02. Nautical Dark: 21:43 - 04:13. Astro Dark: 22:43 - 03:13

Total Clouds (% Sky Obscured)

71
58
61
66
71
60
49
45
63
80
100
99
98
98
92
87
80
84
86
86
87
88
88
90

Low Clouds (% Sky Obscured)

56
60
61
64
68
46
29
10
24
34
45
53
59
72
71
73
74
70
69
67
72
77
81
73

Medium Clouds (% Sky Obscured)

30
10
5
10
10
15
14
3
28
51
94
91
69
64
49
35
20
24
23
20
20
20
20
34

High Clouds (% Sky Obscured)

62
50
50
45
3
3
3
50
51
54
67
69
69
68
52
34
23
23
27
35
40
50
60
51

ISS Passover

Visibility (miles)

9
9
9
7
5
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
27
51
56
53
39
30
9
5
4
4
6
8
10
25
30
30
26
19
4
5
3
0
1

Precipitation Amount (mm)

0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
6
6
7
7
7
7
8
9
9
9
9
10
12
14
14
13
12
11
9
8

Chance of Frost

Temperature (°C)

4
4
4
3
3
3
3
3
3
5
7
8
9
10
10
10
10
9
9
8
7
7
6
6

Feels Like (°C)

1
1
1
1
-0
-0
-0
-0
-1
2
3
4
4
5
5
5
5
5
5
6
6
2
2
3

Dew Point (°C)

-1
-1
0
2
2
3
3
3
3
4
5
4
3
2
2
3
3
3
3
3
3
3
2
2

Relative Humidity (%)

71
72
77
88
94
96
96
98
96
93
85
73
67
60
58
60
61
63
67
71
75
75
74
74

Pressure (mb)

1030
1029
1029
1029
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

406
408
410
410
411
411
408
405
403
403
403
402
401
402
401
400
399
397
396
395
395
395
395
396

Tuesday 23

Waxing Gibbous 100%

21:20

05:36

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:39, Set: 20:17, Transit: 12:58. Moon - Rise: 21:20, Set: 05:36. Civil Dark: 20:55 - 05:00. Nautical Dark: 21:45 - 04:10. Astro Dark: 22:46 - 03:09

Total Clouds (% Sky Obscured)

93
96
96
96
96
98
99
100
96
92
88
89
92
93
88
83
77
73
72
77
82
83
81
61

Low Clouds (% Sky Obscured)

66
58
71
83
95
96
98
100
89
77
69
81
90
94
89
84
78
72
67
64
67
66
67
53

Medium Clouds (% Sky Obscured)

46
63
71
75
79
55
28
0
0
1
1
1
0
0
0
0
0
0
0
0
3
5
7
6

High Clouds (% Sky Obscured)

52
44
46
44
46
43
48
55
57
58
59
37
18
1
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
4
5
3
8
10
9
13
16
18
21
23
25
28
31
34
28
22
14
13
10
2
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
9
9
10
10
10
10
10
11
12
14
14
15
15
15
16
16
15
13
12
10
8
7

Chance of Frost

Temperature (°C)

5
5
4
4
4
5
5
5
5
6
7
8
8
8
8
8
8
9
8
8
7
6
5
4

Feels Like (°C)

3
3
3
0
0
1
1
1
1
1
1
1
2
3
3
5
4
4
4
4
4
3
3
3

Dew Point (°C)

2
2
2
2
2
2
2
2
2
2
1
1
1
2
2
2
2
2
2
1
1
1
1
1

Relative Humidity (%)

78
82
86
85
82
79
80
82
83
76
69
63
63
64
64
64
63
64
64
64
65
69
72
76

Pressure (mb)

1023
1022
1022
1021
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

398
400
402
404
405
406
407
408
409
412
414
417
418
419
420
421
422
422
423
423
424
429
434
439

Wednesday 24

Full Moon 99%

22:40

05:50

23 Bad
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:36, Set: 20:18, Transit: 12:57. Moon - Rise: 22:40, Set: 05:50. Civil Dark: 20:57 - 04:58. Nautical Dark: 21:47 - 04:07. Astro Dark: 22:50 - 03:05

Total Clouds (% Sky Obscured)

45
32
31
29
24
37
50
60
69
81
91
94
97
99
99
99
99
94
90
86

Low Clouds (% Sky Obscured)

43
31
29
27
25
39
55
72
79
83
88
92
95
99
97
95
93
80
68
58

Medium Clouds (% Sky Obscured)

6
3
2
2
1
9
17
25
25
24
23
45
65
85
88
90
94
81
69
57

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
2
2
2
2
2
8
17
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
3
7
5
2
4
3
1
7
10
12
27
35
41
43
47
51
48
44
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
7
8
8
8
8
8
9
10
10
10
11
11
11
12
11
9

Chance of Frost

Temperature (°C)

4
3
3
2
2
1
2
3
3
5
6
8
8
8
9
9
9
10
9
9

Feels Like (°C)

3
3
3
0
0
-0
-1
-1
-2
0
0
0
1
2
3
5
4
5
5
5

Dew Point (°C)

0
1
1
1
1
1
1
1
1
1
1
2
2
3
3
3
3
3
4
4

Relative Humidity (%)

79
83
88
89
93
94
93
88
83
78
71
66
67
67
67
66
63
63
68
74

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

441
443
445
446
447
448
445
443
440
440
439
439
438
437
436
437
438
438
438
437

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 18/04/24 23:21:22. Forecast: 18/04/24 to 24/04/24. Timezone: UTC+1.00